proc print(arr:openArray[int]) =
  for i,v in arr:
    echo i, ", ", v

var se:seq[int] = @[100, 200, 300]
var arr:array[3, int] = [1000, 2000, 3000]
var arr2:array[3..5, int] = [10000, 20000, 30000]

print se
print arr
print arr2
echo arr2[3]
